Salt and pepper the pieces of chicken. Heat the olive oil on high heat in a skillet and saute the chicken until brown, 2 minutes on each side.,Remove the chicken from the skillet and set aside. Add the onion, zucchini, pepper and garlic to the skillet. Add the water, lower the heat and cover for 5 minutes.,______,Add the chicken, mix well and serve over rice or couscous. Sprinkle with cheese.